| 摘要 |
<p>An apparatus for collecting particles or vapor from air or surfaces comprising: a housing (12) comprising an inlet open to the air to be sampled and an outlet (22); and a fan (12) having one or more open areas within the housing capable of being driven at a speed effective to cause collection on the surface of the fan of particles or vapor in the air. A method of collecting a particulate sample from air comprising the step of driving a fan having one or more open areas within a housing comprising an inlet open to the air to be sampled and an outlet, at a speed effective to cause collection on the surface of the fan of particles in the air.</p> |
